Van Morrison: 30 essential songs

Van Morrison, one of the greatest artists in music history, is in the Grammy Hall of Fame, Rock and Roll Hall of Fame and the Songwriters Hall of Fame. In a career spanning more than 50 years he has recorded some of the greatest albums ever made, including Astral Weeks. Morrison was 70 in 2015 and in February 2015 gets his knighthood. Martin Chilton and Mick Brown select his 30 essential songs. Read on, because it's too late to stop now . . .